Half-Life 2/Achievements
Half-Life 2 achievements by rarity
Global completion percentages from Steam, rarest first
Achievements
69
Rarest
1.3%
Ultra rare (<5%)
22
Avg. completion
16%
1
Get Some Grub
Squish every antlion grub in Episode Two.
1.3%
2
Neighborhood Watch
Save all buildings outside the missile silo from destruction.
1.3%
3
The One Free Bullet
Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!
1.5%
4
Zombie-que
Use flares to light 15 zombies on fire.
1.5%
5
Little Rocket Man
Send the garden gnome into space.
1.5%
6
Puttin' On a Clinic
Defeat the chopper in Episode Two without any misses.
1.6%
7
Hot Potat0wned
Kill a Combine soldier with his own grenade.
1.6%
8
Conservationist
Kill five enemies with the same energy ball.
1.7%
9
Piñata Party
Find and break every web cache in Episode Two.
1.8%
10
Pacifist
Contain the Citadel core without killing any stalkers.
1.9%
11
Payback
Kill a Hunter with its own flechettes.
2.2%
12
Car Crusher
Use the cars to squash 15 antlions in Episode One.
2.4%
13
Bone Breaker
Kill 30 enemies with thrown physics objects.
2.5%
14
Hit and Run
Run over 20 enemies with the car in Episode Two.
3.1%
15
Live Bait
Help Alyx snipe 30 enemies in Episode One.
3.2%
16
Think Fast!
Kill an Elite Soldier with his own energy ball.
3.3%
17
Grave Robber
Steal a Zombine's grenade.
3.5%
18
Pedal to the Metal
Beat DOG in a race to the White Forest base.
3.6%
19
Cache Checker
Find every radar cache in chapter Under The Radar.
3.7%
20
Lambda Locator
Find all lambda caches in Half-Life 2.
4.2%
21
Citizen Escort
Don't let any citizens die when escorting them to the escape train.
4.3%
22
Gordon Propelled Rocket
Unlock the rocket launcher lambda cache in chapter Under The Radar.
4.8%
23
Defense of the Armament
Save the missile silo from the Combine offensive.
5.1%
24
Quiet Mountain Getaway
Survive the ambush at White Forest Inn.
5.6%
25
Secondary Silo Secured
Secure the launch doors on missile silo 2.
5.6%
26
Gunishment!
Destroy the Combine Autogun in the junkyard.
5.7%
27
Deadly Harvest
Kill an enemy by planting a hopper mine.
5.7%
28
Meet the Hunters
Survive the Hunter ambush with Alyx.
5.8%
29
Keep Off the Sand!
Cross the antlion beach in chapter Sandtraps without touching the sand.
5.9%
30
Twofer
Defeat both antlion guards outside the White Forest.
6.0%
31
Escape From City 17
Escape City 17 with Alyx.
6.1%
32
Attica!
Destroy the gunship in the hospital attic.
6.3%
33
Into the Breach
Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
6.4%
34
Elevator Action
Survive long enough to get on the parking garage elevator.
6.7%
35
Acid Reflex
Kill an acid antlion worker.
6.8%
36
Zombie Chopper
Play through Ravenholm using only the Gravity Gun.
7.1%
37
Hack Attack!
Kill five enemies with a Manhack.
7.1%
38
Flushed
Kill an enemy with a toilet.
7.2%
39
Containment
Contain the Citadel core.
7.3%
40
Watch Your Head!
Make it to the bottom of the Citadel's main elevator shaft in one piece.
7.6%
41
Vorticough
Discover the hidden singing vortigaunt cave in chapter Water Hazard.
9.5%
42
Gnome Alone
If you are reading this achievement, Gabe Newell has successfully launched Gnome Chompski into space. If you did not also receive the achievement 'Manufacturing Ascent', Newell has abandoned his plans to shoot Noam Chomsky into space.
10%
43
Two Points
Use DOG's ball to make a basket in Eli's scrapyard.
11%
44
Counter-Sniper
Kill all of the snipers in City 17.
11%
45
What cat?
Break the mini-teleporter in Kleiner's lab.
12%
46
Atomizer
Disintegrate 15 soldiers by throwing them into a Combine ball field.
13%
47
Targetted Advertising
Pin a soldier to the billboard in chapter Highway 17.
17%
48
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard.
20%
49
OSHA Violation
Kill 3 enemies using the crane.
22%
50
Singularity Collapsehidden
Hidden achievement — description revealed on unlock.
26%
51
Giant Killer
Survive the rooftop strider battle in the ruins of City 17.
27%
52
One Man Army
Destroy six gunships in Half-Life 2.
28%
53
Fight the Power
Shut down the supression device by disabling its generators.
28%
54
Plaza Defender
Survive the generator plaza standoff in chapter Anticitizen One.
29%
55
Radiation Levels Detected
Get through the toxic tunnel under City 17 in Half-Life 2.
30%
56
Follow Freeman
Gain command of a squad of rebels in the uprising.
31%
57
Warden Freeman
Survive the second turret standoff in Nova Prospekt.
31%
58
Bug Hunt
Use the antlions to kill 50 enemies.
32%
59
Defianthidden
Hidden achievement — description revealed on unlock.
33%
60
Barnacle Bowling
Kill five barnacles with one barrel.
37%
61
Where Cubbage Fears to Treadhidden
Hidden achievement — description revealed on unlock.
37%
62
Hallowed Groundhidden
Hidden achievement — description revealed on unlock.
39%
63
Zero-Point Energy
Get the Gravity Gun in Black Mesa East.
43%
64
Revenge!
Destroy the hunter-chopper in Half-Life 2.
44%
65
Submissivehidden
Hidden achievement — description revealed on unlock.
45%
66
Heavy Weapons
Get the airboat's mounted gun.
46%
67
Anchor's Aweigh!
Get the airboat.
53%
68
Trusty Hardware
Get the crowbar.
67%
69
Malcontent
Escape the apartment block raid.
71%
Percentages are Steam's global unlock rates across all players who own Half-Life 2, refreshed daily. See live player counts and stats for Half-Life 2.